She signed a contract with 20th Century Fox in 1948. She starred in Malaya (1949), a Second World War film about smuggling and guerrilla warfare against the Japanese with Spencer Tracy and James Stewart, Jules Dassin's Thieves' Highway (1949) with Richard Conte and Lee J. Cobb, The House on Telegraph Hill (1951) directed by Robert Wise and co-starring Richard Basehart and william Lundigan, and Joseph L. Mankiewicz's The Barefoot Contessa (1954), with Humphrey Bogart, Ava Gardner, Edmond O'Brien. In Europe she starred in Michelangelo Antonioni's Le Amiche (1955), Gérard Brach's The Boat on the Grass (1971), Terry Gilliam's British film The Adventures of Baron Munchausen (1988), and in Franco Zeffirelli projects such as the film Brother Sun, Sister Moon (1972), the miniseries Jesus of Nazareth (1977) and the film Sparrow (1993). Her final American film role was in When Time Ran Out (1980).